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- poison with
poison with
poison (someone or an animal) with something
to render someone or an animal sick or dead with a poison. He intended to poison his wife with arsenic. Barry wanted to poison the cat with something that left no trace. He poisoned himself with the cleaning compound.
poison something with something
to render something poisonous with something. She poisoned the soup with arsenic. They are poisoning our water supply with pollutants.